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GRAS 46AO
GRAS 46AO
GRAS 46AO

The 46AO is a standard 1/2" CCP pressure microphone set, 12.5 mV/Pa sensitivity, suitable for high sound pressure measurements with wide dynamic range.

· Key Specifications:

  • Sensitivity: 12.5 mV/Pa.
  • Dynamic range: 20 dB(A) to 160 dB.
  • Frequency range: 3 Hz to 10 kHz.
  • Operating temperature: -30°C to +85°C.
  • Connector: BNC.
  • Type: Pressure.
  • TEDS: Yes.
  • Standard: IEC 61094.
Product details
Related Products
GRAS 46BD-S1
GRAS 46BD-S1

The 46BD-S1 is a 1/4" CCP pressure microphone set with SMB connector, ~4 mV/Pa sensitivity, suitable for applications requiring special connector.

· Key Specifications:

  • Sensitivity: ~4 mV/Pa.
  • Dynamic range: 35 dB(A) to 160 dB.
  • Frequency range: 4 Hz to 70 kHz.
  • Operating temperature: -30°C to +100°C.
  • Connector: SMB.
  • Type: Pressure.
  • TEDS: Yes.
  • Application: Special connector.
GRAS 46AC
GRAS 46AC

The 46AC is a 1/2" LEMO free-field wide frequency microphone set with 200V polarization, suitable for ultrasonic diagnostics and impulse measurements with low distortion and high resolution from fast diaphragm response.

· Key Specifications:

  • Sensitivity: 50 mV/Pa.
  • Dynamic range: 15 dB(A) to 148 dB.
  • Frequency range: Wide to ultrasonic.
  • Operating temperature: -30°C to +85°C.
  • Connector: 7-pin LEMO.
  • Polarization: 200 V.
  • TEDS: Yes.
  • Type: Free-field wide frequency.
GRAS 46AQ
GRAS 46AQ

The 46AQ is a 1/2" CCP random incidence microphone set, 50 mV/Pa sensitivity, suitable for diffuse sound field measurements in reverberant environments like vehicle cabins.

· Key Specifications:

  • Sensitivity: 50 mV/Pa.
  • Dynamic range: 17 dB(A) to 138 dB.
  • Frequency range: 3.15 Hz to 16 kHz.
  • Operating temperature: -30°C to +85°C.
  • Connector: BNC.
  • Type: Random incidence.
  • TEDS: Yes.
  • Standard: IEC 61094 WS2D.
GRAS 46AN
GRAS 46AN

The 46AN is a 1/2" LEMO free-field low-frequency microphone set with 200V polarization, suitable for infrasound and low-frequency measurements like wind turbine with high sensitivity.

· Key Specifications:

  • Sensitivity: High for low frequency.
  • Dynamic range: Wide low noise.
  • Frequency range: Low frequency optimized.
  • Operating temperature: -30°C to +85°C.
  • Connector: 7-pin LEMO.
  • Polarization: 200 V.
  • TEDS: Yes.
  • Type: Free-field low frequency.
GRAS 46BL-1
GRAS 46BL-1

The 46BL-1 is a 1/4" CCP pressure high sensitivity microphone set with 20 mV/Pa, low noise floor 24 dB(A), suitable for sensitive measurements in small spaces.

· Key Specifications:

  • Sensitivity: 20 mV/Pa.
  • Dynamic range: 24 dB(A) to 146 dB.
  • Frequency range: 4 Hz to 20 kHz.
  • Operating temperature: -30°C to +100°C.
  • Connector: Microdot.
  • Type: Pressure high sensitivity.
  • TEDS: Yes.
  • Noise floor: 24 dB(A).
GRAS 147EB
GRAS 147EB

The 147EB is an extremely rugged CCP free-field microphone set for on-road brake noise measurement, withstanding strong impacts and harsh weather, tested over 10,000 real-road miles.

· Key Specifications:

  • Sensitivity: 50 mV/Pa.
  • Dynamic range: Wide for brake noise.
  • Frequency range: Suitable for automotive.
  • Operating temperature: Extreme conditions.
  • Connector: BNC.
  • Type: X-rugged free-field.
  • TEDS: Yes.
  • Application: Brake noise testing.
GRAS 46BF-1
GRAS 46BF-1

The 46BF-1 is a standard 1/4" LEMO free-field microphone set with 200V polarization, suitable for high-frequency and high-level measurements with mini LEMO connector.

· Key Specifications:

  • Sensitivity: ~4 mV/Pa.
  • Dynamic range: 35 dB(A) to 160 dB.
  • Frequency range: 4 Hz to 80 kHz.
  • Operating temperature: -30°C to +100°C.
  • Connector: 5-pin LEMO mini.
  • Polarization: 200 V.
  • TEDS: Yes.
  • Type: Free-field.
GRAS 46AZ
GRAS 46AZ

The 46AZ is a 1/2" CCP free-field low-frequency microphone set, high sensitivity for measuring infrasound like wind turbine or low vibration.

· Key Specifications:

  • Sensitivity: High (low frequency optimized).
  • Dynamic range: Wide low noise.
  • Frequency range: Low frequency (down to low Hz).
  • Operating temperature: -30°C to +85°C.
  • Connector: BNC.
  • Type: Free-field low frequency.
  • TEDS: Yes.
  • Application: Wind turbine, infrasound.